# Pydio cells failed to install on centos 7 **URL:** \ **Category:** Pydio Cells\ **Tags:** install\ **Created:** [June 14, 2023, 2:07pm UTC](https://forum.pydio.com/t/pydio-cells-failed-to-install-on-centos-7/5341 "2023-06-14T14:07:27Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![LKOFFI](https://yyz2.discourse-cdn.com/flex032/user_avatar/forum.pydio.com/lkoffi/32/2068_2.png) [@LKOFFI](https://forum.pydio.com/u/LKOFFI)\ **Post date:** [June 14, 2023, 2:07pm UTC](https://forum.pydio.com/t/pydio-cells-failed-to-install-on-centos-7/5341/1 "2023-06-14T14:07:27Z")
For first post, please answer the questions below! ### Describe your issue in detail Hello, I am trying to install Pydio Cells on Centos I am failing to complete the step “cells configure” Here what is the root cause for this failure 2023-06-14T15:47:54.492+0200 INFO pydio.grpc.oauth Checking if legacy migration table exists. {“migration\_table”: “schema\_migration”} 2023-06-14T15:47:54.509+0200 INFO pydio.grpc.oauth A migration table exists, checking if it is a transactional migration table. {“migration\_table”: “schema\_migration”} 2023-06-14T15:47:54.515+0200 INFO pydio.grpc.oauth Migration has not yet been applied, running migration. {“version”: “20190100000012000000”} 2023-06-14T15:47:54.517+0200 ERROR pydio.grpc.oauth Could not apply migrations {“error”: “error executing migrations/20190100000012000000\_client.up.sql, sql: ALTER TABLE hydra\_client ADD created\_at timestamp NOT NULL DEFAULT now();\nALTER TABLE hydra\_client ADD updated\_at timestamp NOT NULL DEFAULT now();\n: Error 1060: Duplicate column name ‘created\_at’”, “errorVerbose”: “Error 1060: Duplicate column name ‘created\_at’\nerror executing migrations/20190100000012000000\_client.up.sql, sql: ALTER TABLE hydra\_client ADD created\_at timestamp NOT NULL DEFAULT now();\nALTER TABLE hydra\_client ADD updated\_at timestamp NOT NULL DEFAULT now();\n\ngithub.com/ory/x/popx.NewMigrationBox.func1.1\n\tgithub.com/ory/x@v0.0.368/popx/migration\_box.go:80\ngithub.com/ory/x/popx.Migration.Run\n\tgithub.com/ory/x@v0.0.368/popx/migration\_info.go:34\ngithub.com/ory/x/popx.(\*Migrator).UpTo.func1.2\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:139\ngithub.com/ory/x/popx.(\*Migrator).isolatedTransaction\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:314\ngithub.com/ory/x/popx.(\*Migrator).UpTo.func1\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:138\ngithub.com/ory/x/popx.(\*Migrator).exec\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:559\ngithub.com/ory/x/popx.(\*Migrator).UpTo\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:92\ngithub.com/ory/x/popx.(\*Migrator).Up\n\tgithub.com/ory/x@v0.0.368/popx/migrator.go:80\ngithub.com/ory/hydra/persistence/sql.(\*Persister).MigrateUp\n\tgithub.com/ory/hydra@v1.11.10/persistence/sql/persister\_migration.go:40\ngithub.com/pydio/cells/v4/common/auth.InitRegistry.func1.1\n\tgithub.com/pydio/cells/v4/common/auth/registry.go:177\ngithub.com/pydio/cells/v4/common/utils/std.Retry\n\tgithub.com/pydio/cells/v4/common/utils/std/func.go:32\ngithub.com/pydio/cells/v4/common/auth.InitRegistry.func1\n\tgithub.com/pydio/cells/v4/common/auth/registry.go:127\nsync.(\*Once).doSlow\n\tsync/once.go:74\nsync.(\*Once).Do\n\tsync/once.go:65\ngithub.com/pydio/cells/v4/common/auth.InitRegistry\n\tgithub.com/pydio/cells/v4/common/auth/registry.go:118\ngithub.com/pydio/cells/v4/idm/oauth/grpc.init.0.func1.1\n\tgithub.com/pydio/cells/v4/idm/oauth/grpc/plugins.go:90\ngithub.com/pydio/cells/v4/common/service.WithGRPC.func1.1\n\tgithub.com/pydio/cells/v4/common/service/grpc.go:42\ngithub.com/pydio/cells/v4/common/service.(\*service).Start\n\tgithub.com/pydio/cells/v4/common/service/service.go:226\ngithub.com/pydio/cells/v4/common/server.(\*server).Serve.func2.1\n\tgithub.com/pydio/cells/v4/common/server/server.go:111\ngolang.org/x/sync/errgroup.(\*Group).Go.func1\n\tgolang.org/x/sync@v0.1.0/errgroup/errgroup.go:75\nruntime.goexit\n\truntime/asm\_amd64.s:1594”} ### What version of Cells are you using? Pydio Cells Home Edition Version: 4.2.2 Built: 12 Jun 23 11:21 +0000 Git commit: 97743aa135594a3f8eb53ee0c191b61aaa2ad260 OS/Arch: linux/amd64 Go version: go1.19.9 ### What is the server OS? Database name/version? Browser name or mobile device description (if issue appears client-side)? Server OS : Centos 7.7.7 Database : MariaDB 5.5.68 Browser name : Firefox 113.0.2 (64 bits) The issue appears server side ### What steps have you taken to resolve this issue already? I do not understand my error since it was a brand new mariadb installation on my server. I checked my database “schema\_migration” exists and that i ---
**Author:** ![jaimedelano](https://yyz2.discourse-cdn.com/flex032/user_avatar/forum.pydio.com/jaimedelano/32/2342_2.png) [@jaimedelano](https://forum.pydio.com/u/jaimedelano)\ **Post date:** [June 14, 2023, 2:33pm UTC](https://forum.pydio.com/t/pydio-cells-failed-to-install-on-centos-7/5341/2 "2023-06-14T14:33:10Z")
> [@LKOFFI](#): > > MariaDB 5.5.68 Is it correct? Cells v4 requires [MariaDB version 10.3 and above](https://pydio.com/en/docs/cells/v4/requirements) ---
**Author:** ![LKOFFI](https://yyz2.discourse-cdn.com/flex032/user_avatar/forum.pydio.com/lkoffi/32/2068_2.png) [@LKOFFI](https://forum.pydio.com/u/LKOFFI)\ **Post date:** [June 14, 2023, 3:00pm UTC](https://forum.pydio.com/t/pydio-cells-failed-to-install-on-centos-7/5341/3 "2023-06-14T15:00:52Z")
I will try with mariadb 10.3 and above and let you know ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex032/uploads/pydio/original/2X/6/61f19fa52ec15fd4250db51aea351adba0e831fd.png) [@system](https://forum.pydio.com/u/system)\ **Post date:** [August 13, 2023, 3:01pm UTC](https://forum.pydio.com/t/pydio-cells-failed-to-install-on-centos-7/5341/4 "2023-08-13T15:01:00Z")
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